English operator: Panoramio described at URL: https://web.archive.org/web/20161030075417/http://www.panoramio.com/photo/102594913...
English operator: Panoramio described at URL: https://web.archive.org/web/20161029194929/http://www.panoramio.com/photo/105328031...
English operator: Panoramio described at URL: https://web.archive.org/web/20161013151145/http://www.panoramio.com/photo/28502628 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161013172550/http://www.panoramio.com/photo/28504380 determination method:...
English operator: Panoramio described at URL: https://web.archive.org/web/20161102150242/http://www.panoramio.com/photo/127858539...
English operator: Panoramio described at URL: https://web.archive.org/web/20161101031700/http://www.panoramio.com/photo/125151314...
English operator: Panoramio described at URL: https://web.archive.org/web/20161013194825/http://www.panoramio.com/photo/28504144...
English operator: Panoramio described at URL: https://web.archive.org/web/20161013215900/http://www.panoramio.com/photo/28502113...
English operator: Panoramio described at URL: https://web.archive.org/web/20161101222141/http://www.panoramio.com/photo/125151308...
English operator: Panoramio described at URL: https://web.archive.org/web/20161102003815/http://www.panoramio.com/photo/114338505...